CMake/Source/cmSourceFile.cxx
Stephen Kelly 5181fae264 cmPropertyMap: Remove chaining logic.
The chaining logic doesn't belong to the container, and the
CMakeInstance pointer doesn't need to be in cmPropertyMap.

Size goes from 56 to 48 bytes with GNU libstdc++-5.1.
2015-06-07 09:29:31 +02:00

403 lines
12 KiB
C++

/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmSourceFile.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmSystemTools.h"
#include "cmake.h"
//----------------------------------------------------------------------------
cmSourceFile::cmSourceFile(cmMakefile* mf, const std::string& name):
Location(mf, name)
{
this->CustomCommand = 0;
this->FindFullPathFailed = false;
this->IsUiFile = (".ui" ==
cmSystemTools::GetFilenameLastExtension(this->Location.GetName()));
}
//----------------------------------------------------------------------------
cmSourceFile::~cmSourceFile()
{
this->SetCustomCommand(0);
}
//----------------------------------------------------------------------------
std::string const& cmSourceFile::GetExtension() const
{
return this->Extension;
}
const std::string cmSourceFile::propLANGUAGE = "LANGUAGE";
//----------------------------------------------------------------------------
void cmSourceFile::SetObjectLibrary(std::string const& objlib)
{
this->ObjectLibrary = objlib;
}
//----------------------------------------------------------------------------
std::string cmSourceFile::GetObjectLibrary() const
{
return this->ObjectLibrary;
}
//----------------------------------------------------------------------------
std::string cmSourceFile::GetLanguage()
{
// If the language was set explicitly by the user then use it.
if(const char* lang = this->GetProperty(propLANGUAGE))
{
return lang;
}
// Perform computation needed to get the language if necessary.
if(this->FullPath.empty() && this->Language.empty())
{
// If a known extension is given or a known full path is given
// then trust that the current extension is sufficient to
// determine the language. This will fail only if the user
// specifies a full path to the source but leaves off the
// extension, which is kind of weird.
if(this->Location.ExtensionIsAmbiguous() &&
this->Location.DirectoryIsAmbiguous())
{
// Finalize the file location to get the extension and set the
// language.
this->GetFullPath();
}
else
{
// Use the known extension to get the language if possible.
std::string ext =
cmSystemTools::GetFilenameLastExtension(this->Location.GetName());
this->CheckLanguage(ext);
}
}
// Now try to determine the language.
return static_cast<cmSourceFile const*>(this)->GetLanguage();
}
//----------------------------------------------------------------------------
std::string cmSourceFile::GetLanguage() const
{
// If the language was set explicitly by the user then use it.
if(const char* lang = this->GetProperty(propLANGUAGE))
{
return lang;
}
// If the language was determined from the source file extension use it.
if(!this->Language.empty())
{
return this->Language;
}
// The language is not known.
return "";
}
//----------------------------------------------------------------------------
cmSourceFileLocation const& cmSourceFile::GetLocation() const
{
return this->Location;
}
//----------------------------------------------------------------------------
std::string const& cmSourceFile::GetFullPath(std::string* error)
{
if(this->FullPath.empty())
{
if(this->FindFullPath(error))
{
this->CheckExtension();
}
}
return this->FullPath;
}
//----------------------------------------------------------------------------
std::string const& cmSourceFile::GetFullPath() const
{
return this->FullPath;
}
//----------------------------------------------------------------------------
bool cmSourceFile::FindFullPath(std::string* error)
{
// If thie method has already failed once do not try again.
if(this->FindFullPathFailed)
{
return false;
}
// If the file is generated compute the location without checking on
// disk.
if(this->GetPropertyAsBool("GENERATED"))
{
// The file is either already a full path or is relative to the
// build directory for the target.
this->Location.DirectoryUseBinary();
this->FullPath = this->Location.GetDirectory();
this->FullPath += "/";
this->FullPath += this->Location.GetName();
return true;
}
// The file is not generated. It must exist on disk.
cmMakefile const* mf = this->Location.GetMakefile();
const char* tryDirs[3] = {0, 0, 0};
if(this->Location.DirectoryIsAmbiguous())
{
tryDirs[0] = mf->GetCurrentSourceDirectory();
tryDirs[1] = mf->GetCurrentBinaryDirectory();
}
else
{
tryDirs[0] = "";
}
const std::vector<std::string>& srcExts = mf->GetSourceExtensions();
const std::vector<std::string>& hdrExts = mf->GetHeaderExtensions();
for(const char* const* di = tryDirs; *di; ++di)
{
std::string tryPath = this->Location.GetDirectory();
if(!tryPath.empty())
{
tryPath += "/";
}
tryPath += this->Location.GetName();
tryPath = cmSystemTools::CollapseFullPath(tryPath, *di);
if(this->TryFullPath(tryPath, ""))
{
return true;
}
for(std::vector<std::string>::const_iterator ei = srcExts.begin();
ei != srcExts.end(); ++ei)
{
if(this->TryFullPath(tryPath, *ei))
{
return true;
}
}
for(std::vector<std::string>::const_iterator ei = hdrExts.begin();
ei != hdrExts.end(); ++ei)
{
if(this->TryFullPath(tryPath, *ei))
{
return true;
}
}
}
std::ostringstream e;
std::string missing = this->Location.GetDirectory();
if(!missing.empty())
{
missing += "/";
}
missing += this->Location.GetName();
e << "Cannot find source file:\n " << missing << "\nTried extensions";
for(std::vector<std::string>::const_iterator ext = srcExts.begin();
ext != srcExts.end(); ++ext)
{
e << " ." << *ext;
}
for(std::vector<std::string>::const_iterator ext = hdrExts.begin();
ext != hdrExts.end(); ++ext)
{
e << " ." << *ext;
}
if(error)
{
*error = e.str();
}
else
{
this->Location.GetMakefile()->IssueMessage(cmake::FATAL_ERROR, e.str());
}
this->FindFullPathFailed = true;
return false;
}
//----------------------------------------------------------------------------
bool cmSourceFile::TryFullPath(const std::string& path,
const std::string& ext)
{
std::string tryPath = path;
if(!ext.empty())
{
tryPath += ".";
tryPath += ext;
}
if(cmSystemTools::FileExists(tryPath.c_str()))
{
this->FullPath = tryPath;
return true;
}
return false;
}
//----------------------------------------------------------------------------
void cmSourceFile::CheckExtension()
{
// Compute the extension.
std::string realExt =
cmSystemTools::GetFilenameLastExtension(this->FullPath);
if(!realExt.empty())
{
// Store the extension without the leading '.'.
this->Extension = realExt.substr(1);
}
// Look for object files.
if(this->Extension == "obj" ||
this->Extension == "o" ||
this->Extension == "lo")
{
this->SetProperty("EXTERNAL_OBJECT", "1");
}
// Try to identify the source file language from the extension.
if(this->Language.empty())
{
this->CheckLanguage(this->Extension);
}
}
//----------------------------------------------------------------------------
void cmSourceFile::CheckLanguage(std::string const& ext)
{
// Try to identify the source file language from the extension.
cmMakefile const* mf = this->Location.GetMakefile();
cmGlobalGenerator* gg = mf->GetGlobalGenerator();
std::string l = gg->GetLanguageFromExtension(ext.c_str());
if(!l.empty())
{
this->Language = l;
}
}
//----------------------------------------------------------------------------
bool cmSourceFile::Matches(cmSourceFileLocation const& loc)
{
return this->Location.Matches(loc);
}
//----------------------------------------------------------------------------
void cmSourceFile::SetProperty(const std::string& prop, const char* value)
{
this->Properties.SetProperty(prop, value);
if (this->IsUiFile)
{
cmMakefile const* mf = this->Location.GetMakefile();
if (prop == "AUTOUIC_OPTIONS")
{
const_cast<cmMakefile*>(mf)->AddQtUiFileWithOptions(this);
}
}
}
//----------------------------------------------------------------------------
void cmSourceFile::AppendProperty(const std::string& prop, const char* value,
bool asString)
{
this->Properties.AppendProperty(prop, value, asString);
}
//----------------------------------------------------------------------------
const char* cmSourceFile::GetPropertyForUser(const std::string& prop)
{
// This method is a consequence of design history and backwards
// compatibility. GetProperty is (and should be) a const method.
// Computed properties should not be stored back in the property map
// but instead reference information already known. If they need to
// cache information in a mutable ivar to provide the return string
// safely then so be it.
//
// The LOCATION property is particularly problematic. The CMake
// language has very loose restrictions on the names that will match
// a given source file (for historical reasons). Implementing
// lookups correctly with such loose naming requires the
// cmSourceFileLocation class to commit to a particular full path to
// the source file as late as possible. If the users requests the
// LOCATION property we must commit now.
if(prop == "LOCATION")
{
// Commit to a location.
this->GetFullPath();
}
// Perform the normal property lookup.
return this->GetProperty(prop);
}
//----------------------------------------------------------------------------
const char* cmSourceFile::GetProperty(const std::string& prop) const
{
// Check for computed properties.
if(prop == "LOCATION")
{
if(this->FullPath.empty())
{
return 0;
}
else
{
return this->FullPath.c_str();
}
}
const char *retVal = this->Properties.GetPropertyValue(prop);
if (!retVal)
{
cmMakefile const* mf = this->Location.GetMakefile();
const bool chain = mf->GetState()->
IsPropertyChained(prop, cmProperty::SOURCE_FILE);
if (chain)
{
return mf->GetProperty(prop, chain);
}
}
return retVal;
}
//----------------------------------------------------------------------------
bool cmSourceFile::GetPropertyAsBool(const std::string& prop) const
{
return cmSystemTools::IsOn(this->GetProperty(prop));
}
//----------------------------------------------------------------------------
cmCustomCommand* cmSourceFile::GetCustomCommand()
{
return this->CustomCommand;
}
//----------------------------------------------------------------------------
cmCustomCommand const* cmSourceFile::GetCustomCommand() const
{
return this->CustomCommand;
}
//----------------------------------------------------------------------------
void cmSourceFile::SetCustomCommand(cmCustomCommand* cc)
{
cmCustomCommand* old = this->CustomCommand;
this->CustomCommand = cc;
delete old;
}